Incident Overview
On July 22, 2010, at 0937 UTC, a Boeing 737-800 operated by China Airlines and registered in the People's Republic of China as B-18612 experienced a depressurization event. The aircraft was en route to Hiroshima, Japan, at the time of the incident.
Investigation
The Aviation Safety Council (ASC) of Taiwan is leading the investigation into the depressurization. Under the provisions of the International Civil Aviation Organization (ICAO) Annex 13, the National Transportation Safety Board (NTSB) designated a U.S. Accredited Representative to participate in the ASC investigation, as the United States is the state of manufacture of the airplane.
No further details about the cause or consequences of the depressurization have been released by the investigating authorities. The investigation remains ongoing to determine the circumstances surrounding the event.